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3 years ago

What equation would you use to find the time taken for an object to travel a set distance?

Physics

1 answer:

3241004551 [841]3 years ago

6 0

<em>Time = (the set distance) / (the object's traveling speed)</em>

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Um avião, após deslocar-se 120 km para nordeste (NE), desloca-se 160 km para sudeste (SE). Sendo um quarto de hora o tempo total

Svetach [21]

Answer:

E) 800 km/h

Explanation:

The computation of the average vector velocity module of the plane, at that time is shown below:

The displacement vector is

d^2 = d1^2 + d2^2

where,

d1 = northeast displacement

d2 = southeast displacement

Now

d^2 = (120)^2 + (160)^2

= 14400 + 2560

= 40000

= √40000

d = 200 km

Now the average velocity is

V = ΔS ÷ Δt

= 200 ÷ 1 ÷ 4

= 200 × 4

= 800 km/h

4 0

2 years ago

PLEASE HELP!!! FIRST IS BRAINLIEST!!!

Verizon [17]

1. A Medium

2. One of these 4, the refractive index of the medium <span>Choose whichever are on the test.

3. </span>properties and nature of medium, Hope this helps.

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3 years ago

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We can calculate the force that the atmospheric pressure produces on a surface. Consider a living room that has a 4.0m×5.0m floo

qaws [65]

Answer:

Force, $F=2.02\times 10^6\ N$

Explanation:

It is given that,

Length of the room, l = 4 m

breadth of the room, b = 5 m

Height of the room, h = 3 m

Atmospheric pressure, $P=1\ atm=101325\ Pa$

We know that the force acting per unit area is called pressure exerted. Its formula is given by :

$P=\dfrac{F}{A}$

$F=P\times l\times b$

$F=101325\times 4\times 5$

$F=2.02\times 10^6\ N$

So, the total force on the floor due to the air above the surface is $2.02\times 10^6\ N$ . Hence, this is the required solution.

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2 years ago

Two trains, each having a speed of s, are headed at each other on the same straight track. A bird that can fly at speed 2s flies

juin [17]

Answer:

The total distance the bird travels is d.

Explanation:

Each train travels at the speed s. They will meet at the center, a distance d/2 (which is where the bird might be crushed). Each train travels the same distance d/2 in a time t which is also equal for both. This is also the time the bird spends travelling between them.

For any of the train, the time t is the distance divided by the speed.

$t = \dfrac{d/2}{s} = \dfrac{d}{2s}$

The bird travels at the speed of 2s. Its distance is given by the product of its speed and the time taken.

$d_\text{Bird} = \dfrac{d}{2s}\times 2s = d$

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3 years ago

The term used to describe the ability of a conduit to conduct flow is:

MissTica

The answer is , Conductance

8 0

3 years ago

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